Finding the Fourth Proportional to 302,702.42, 414,704.34 and 291,351.88
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Solution
The fourth proportional to 302,702.42, 414,704.34 and 291,351.88 is: 399,154.02
Step by Step Solution
- Step 1: Write the proportion equation
302,702.42 : 414,704.34 = 291,351.88 : x - Step 2: Convert to fraction form
302,702.42/414,704.34 = 291,351.88/x - Step 3: Cross multiply
302,702.42x = 414,704.34 × 291,351.88 - Step 4: Simplify right side
302,702.42x = 120,824,889,103.16 - Step 5: Solve for x
x = 120,824,889,103.16/302,702.42 - Step 6: Final answer
x = 399,154.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.